Statements (28)
Predicate | Object |
---|---|
gptkbp:instanceOf |
isotope
|
gptkbp:abundanceInNature |
99.99986%
|
gptkbp:atomicNumber |
2
|
gptkbp:boson |
true
|
gptkbp:discoveredBy |
gptkb:Ernest_Rutherford
|
gptkbp:discoveredIn |
1907
|
gptkbp:formsSuperfluidBelow |
2.17 K
|
gptkbp:foundIn |
gptkb:Earth's_atmosphere
stars |
https://www.w3.org/2000/01/rdf-schema#label |
helium-4 atoms
|
gptkbp:isomerOf |
gptkb:helium
|
gptkbp:massNumber |
4
|
gptkbp:neutrons |
2
|
gptkbp:nucleusName |
alpha particle
|
gptkbp:producedBy |
gptkb:Big_Bang_nucleosynthesis
nuclear fusion in stars radioactive decay of heavy elements |
gptkbp:protons |
2
|
gptkbp:spin |
0
|
gptkbp:stable |
true
|
gptkbp:symbol |
gptkb:4He
|
gptkbp:usedIn |
cryogenics
nuclear fusion superfluidity studies |
gptkbp:bfsParent |
gptkb:Bose-Einstein_statistics
gptkb:Bose–Einstein_distribution gptkb:Bose–Einstein_condensation |
gptkbp:bfsLayer |
5
|